CN113417268A - Lifting system of ocean platform - Google Patents
Lifting system of ocean platform Download PDFInfo
- Publication number
- CN113417268A CN113417268A CN202110597637.3A CN202110597637A CN113417268A CN 113417268 A CN113417268 A CN 113417268A CN 202110597637 A CN202110597637 A CN 202110597637A CN 113417268 A CN113417268 A CN 113417268A
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- locking
- plate
- ring sleeve
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present disclosure provides a lift system for an ocean platform, comprising: the first semi-ring sleeve is provided with two first connecting side surfaces, the first connecting side surfaces are the side surfaces where the straight edges on the first semi-ring sleeve are located, and first connecting structures are arranged on the first connecting side surfaces; the second semi-ring sleeve is provided with two second connecting side surfaces, the second connecting side surfaces are the side surfaces where the straight edges on the second semi-ring sleeve are located, second connecting structures are arranged on the second connecting side surfaces, and the first connecting structures and the second connecting structures are detachably connected; the mounting mechanism is positioned on the outer wall surfaces of the first semi-ring sleeve and the second semi-ring sleeve and is used for being detachably connected with a deck of an ocean platform; and the lifting mechanism is positioned on the outer wall surfaces of the first semi-ring sleeve and the second semi-ring sleeve and is used for driving the first semi-ring sleeve and the second semi-ring sleeve to move along the axial direction of the pile leg. This openly can follow the ocean platform and dismantle to install on other ocean platforms for use, improve operating efficiency of operating system.
Description
Technical Field
The disclosure relates to the technical field of ocean engineering, in particular to a lifting system of an ocean platform.
Background
In ocean engineering, the self-elevating ocean platform has wide application range, can be used for offshore oil well drilling and production service, and can also be used for offshore operation support, maintenance, supply and other aspects. The lifting system is the core equipment of the self-elevating ocean platform, and realizes the lifting operation of the self-elevating ocean platform on the sea.
In the related art, the lifting system is mostly a rack and pinion type lifting system, and the rack and pinion type lifting system is welded and fixed on a deck of a ship body.
However, the self-elevating ocean platform usually maintains the state and works at a certain place for several years after being adjusted to a proper height by the elevating system, so that the elevating system does not work for a long time; moreover, the lifting system is fixed on the deck of the ship body and cannot be detached for repeated use, so that the use efficiency of the lifting system is low, and the waste of resources is caused.
Disclosure of Invention
The embodiment of the disclosure provides a lifting system of an ocean platform, which can be detached from the ocean platform and installed on other ocean platforms for use, so that the lifting system is prevented from being installed on the ocean platform without lifting operation for a long time, and the use efficiency of the lifting system is improved. The technical scheme is as follows:
the embodiment of the present disclosure provides a lifting system of an ocean platform, the lifting system includes: the first semi-ring sleeve is provided with two first connecting side surfaces, the first connecting side surfaces are side surfaces where straight edges on the first semi-ring sleeve are located, and first connecting structures are arranged on the first connecting side surfaces; the second semi-ring sleeve is provided with two second connecting side surfaces, the second connecting side surfaces are the side surfaces where the straight edges on the second semi-ring sleeve are located, second connecting structures are arranged on the second connecting side surfaces, and the first connecting structures and the second connecting structures are detachably connected; the installation mechanism is positioned on the outer wall surfaces of the first semi-ring sleeve and the second semi-ring sleeve and is used for being detachably connected with a deck of an ocean platform; and the lifting mechanism is positioned on the outer wall surfaces of the first semi-ring sleeve and the second semi-ring sleeve and is used for driving the first semi-ring sleeve and the second semi-ring sleeve to move along the axial direction of the pile leg.
In one implementation manner of the embodiment of the present disclosure, the first connection structure includes: the first locking plate and the second locking plate are arranged at intervals in parallel, opposite two side edges on the first connecting plate are respectively connected with the first locking plate and the second locking plate, the first locking plate is connected with the first connecting side and is parallel to the first connecting side, the second connecting structure comprises a third locking plate and a locking piece, the third locking plate is connected with the second connecting side and is parallel to the second connecting side, the third locking plate is located in a locking space surrounded by the first locking plate, the first connecting plate and the second locking plate, and the locking piece is detachably connected with the first locking plate, the second locking plate and the third locking plate.
In another implementation manner of the embodiment of the present disclosure, the locking member includes a locking pin, locking holes matched with the locking pin are respectively formed in the first locking plate, the second locking plate, and the third locking plate, and the locking pin passes through each locking hole and is inserted into the first locking plate, the second locking plate, and the third locking plate.
In another implementation of the disclosed embodiment, the lock includes: first locking axle, elastic element and second locking axle, the first end of first locking axle with elastic element's first end is connected, elastic element's second end with the first end of second locking axle is connected, be equipped with on the third locking board and link up the mounting hole of third locking board, elastic element is located in the mounting hole and with mounting hole axial fixity, when elastic element is not elastic deformation, the first end of first locking axle with the first end of second locking axle all is located in the mounting hole, first locking board with all be equipped with the confession on the second locking board first locking axle with the locking hole of second locking axle cartridge.
In another implementation manner of the embodiment of the present disclosure, the elastic element is a spring, a first annular inner flange and a second annular inner flange are disposed in the installation through hole, the spring is located between the first annular inner flange and the second annular inner flange, two ends of the spring respectively abut against the first annular inner flange and the second annular inner flange, a first end of the first locking shaft penetrates through the first annular inner flange and is connected with a first end of the spring, and a first end of the second locking shaft penetrates through the second annular inner flange and is connected with a second end of the spring.
In another implementation manner of the embodiment of the present disclosure, there are a plurality of the first connection structures and a plurality of the second connection structures, the first connection structures are arranged at intervals along an axial direction of the first half-ring sleeve, and the second connection structures are arranged at intervals along an axial direction of the second half-ring sleeve.
In another implementation of the disclosed embodiment, the lifting mechanism includes: mounting bracket, drive unit, gear and rack, the mounting bracket includes: the first mounting plate and the second mounting plate are arranged in parallel at intervals, two opposite side edges of the second connecting plate are respectively connected with the first mounting plate and the second mounting plate, the first mounting plate, the second connecting plate and the second mounting plate enclose a mounting space, the driving unit is positioned on the first mounting plate and the second mounting plate, the gear is positioned in the mounting space, the driving unit is in transmission connection with the gear, the first semi-ring sleeve and the second semi-ring sleeve are respectively provided with a connecting opening extending from one end of the first semi-ring sleeve to the other end, each connecting opening is connected with the corresponding mounting frame, and two side edges of each connecting opening are respectively connected with the first mounting plate and the second mounting plate, the second connecting plate is opposite to the connecting opening, the rack is used for being installed on the pile leg, and the rack is opposite to the connecting opening and meshed with the gear.
In another implementation of the disclosed embodiment, the driving unit includes: the gearbox is located on the mounting frame, an output shaft of the gearbox is located in the mounting space and connected with the gear in a transmission mode, the motor is located on the gearbox, and an output shaft of the motor is connected with an output shaft of the gearbox in a transmission mode.
In another implementation manner of the embodiment of the present disclosure, the mounting mechanism includes a supporting plate and a support, the supporting plate is disposed on the outer wall surfaces of the first half-ring sleeve and the second half-ring sleeve, the supporting plate extends outward along the radial direction of the first half-ring sleeve, the support is located on a deck of the ocean platform, and the support is detachably connected to the supporting plate.
In another implementation manner of the embodiment of the present disclosure, the lifting system further includes a cover plate, which covers one end of the first half-ring sleeve and one end of the second half-ring sleeve, and is detachably connected to the first half-ring sleeve and the second half-ring sleeve.
The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:
the disclosed embodiment provides an ocean platform's operating system includes: the first semi-ring sleeve and the second semi-ring sleeve are connected in a butt joint mode, so that the first semi-ring sleeve and the second semi-ring sleeve can form a complete cylindrical structure in a surrounding mode, and the cylindrical structure can be wrapped outside pile legs of the ocean platform in a surrounding mode. Meanwhile, the outer wall surfaces of the two semi-ring sleeves are also provided with mounting mechanisms, and the mounting mechanisms can be detachably connected with a deck of the ocean platform, so that the first semi-ring sleeve and the second semi-ring sleeve are mounted on the deck of the ocean platform.
When the ocean platform is required to be controlled to lift, the lifting mechanism acts to enable the first half ring sleeve and the second half ring sleeve to move axially along the pile legs, and the two half ring sleeves are arranged on a deck of the ocean platform, so that the lifting mechanism can drive the deck of the ocean platform to move axially through the two half ring sleeves, and the aim of controlling the ocean platform to lift is achieved. After the ocean platform is adjusted to a proper height, and when the lifting system is not used for a long time, the first connecting structure and the second connecting structure can be detached at the moment, the installation mechanism and the ocean platform are detached simultaneously, so that the first half-ring sleeve and the second half-ring sleeve are taken down from the pile legs respectively, the lifting system is installed on other ocean platforms for use, the lifting system is prevented from being installed on the ocean platform which does not need lifting operation for a long time, and the use efficiency of the lifting system is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a lifting system of an ocean platform according to an embodiment of the present disclosure;
fig. 2 is a schematic structural view of a first semi-ring sleeve and a second semi-ring sleeve according to an embodiment of the disclosure;
fig. 3 is a schematic view of an assembly of a first half-collar sleeve and a second half-collar sleeve provided by an embodiment of the present disclosure;
fig. 4 is a schematic view of another first semi-ring sleeve and second semi-ring sleeve assembly provided in the practice of the present disclosure;
FIG. 5 is a top view of a lift system for an offshore platform provided by an embodiment of the present disclosure;
fig. 6 is an elevation view of a lift system of an offshore platform provided in an embodiment of the present disclosure.
The various symbols in the figure are illustrated as follows:
1-a first semi-ring sleeve, 10-a connection opening, 11-a first connection side, 12-a first connection structure, 121-a first locking plate, 122-a first connection plate, 123-a second locking plate;
2-a second half-ring sleeve, 21-a second connection side, 22-a second connection structure, 221-a third locking plate, 222-a locking member, 223-a first locking shaft, 224-an elastic member, 225-a second locking shaft, 226-a mounting through hole, 227-a locking hole, 228-a first annular inner flange, 229-a second annular inner flange;
3-mounting mechanism, 31-supporting plate, 32-support;
4-lifting mechanism, 41-mounting rack, 411-first mounting plate, 412-second connecting plate, 413-second mounting plate, 421-gearbox, 422-motor, 43-gear and 44-rack;
51-spud legs, 52-deck, 53-deck.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," "third," and similar terms in the description and claims of the present disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "top", "bottom", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.
Fig. 1 is a schematic structural diagram of a lifting system of an ocean platform according to an embodiment of the present disclosure. As shown in fig. 1, the lifting system includes: the semi-ring comprises a first semi-ring sleeve 1, a second semi-ring sleeve 2, an installation mechanism 3 and a lifting mechanism 4.
Fig. 2 is a schematic structural diagram of a first half-ring sleeve and a second half-ring sleeve according to an embodiment of the disclosure. As shown in fig. 2, the first collar half 1 has two first connecting side surfaces 11, the first connecting side surfaces 11 are the side surfaces where the straight edges of the first collar half 1 are located, and the first connecting side surfaces 11 are provided with first connecting structures 12. The second half-ring sleeve 2 has two second connecting side surfaces 21, the second connecting side surfaces 21 are the side surfaces where the straight edges on the second half-ring sleeve 2 are located, the second connecting side surfaces 21 are provided with second connecting structures 22, and the first connecting structures 12 and the second connecting structures 22 are detachably connected.
As shown in fig. 1, the mounting mechanism 3 is located on the outer wall surface of the first half collar sleeve 1 and the second half collar sleeve 2, and the mounting mechanism 3 is used for being detachably connected with the deck 52 of the ocean platform.
As shown in fig. 1, a lifting mechanism 4 is provided on the outer wall surfaces of the first half collar 1 and the second half collar 2, and the lifting mechanism 4 is used for driving the first half collar 1 and the second half collar 2 to move in the axial direction of the pile leg 51.
The disclosed embodiment provides an ocean platform's operating system includes: the marine platform comprises a first semi-ring sleeve 1, a second semi-ring sleeve 2, an installation mechanism 3 and a lifting mechanism 4, wherein a first connection structure 12 is arranged on a first connection side surface 11 of the first semi-ring sleeve 1, and a second connection structure 22 is arranged on a second connection side surface 21 of the second semi-ring sleeve 2, and the first connection side surface 11 and the second connection side surface are side surfaces where straight edges on the semi-ring sleeves are located, so that when the first semi-ring sleeve 1 and the second semi-ring sleeve 2 are in butt joint, the first connection side surface 11 and the second connection side surface 21 can be relatively attached to each other, so that the first semi-ring sleeve 1 and the second semi-ring sleeve 2 form a complete cylinder structure, and the first connection structure 12 and the second connection structure 22 are connected together to form a stable cylinder structure, so that the cylinder structure can be wrapped around the pile leg 51 of the marine platform. Meanwhile, the outer wall surfaces of the two half ring sleeves are also provided with mounting mechanisms 3, and the mounting mechanisms 3 can be detachably connected with a deck 52 of the ocean platform, so that the first half ring sleeve 1 and the second half ring sleeve 2 are mounted on the deck 52 of the ocean platform.
When the ocean platform is required to be controlled to lift, the lifting mechanism 4 acts to enable the first half-ring sleeve 1 and the second half-ring sleeve 2 to move axially along the pile legs 51, and the two half-ring sleeves are installed on the deck 52 of the ocean platform, so that the lifting mechanism 4 can drive the deck 52 of the ocean platform to move axially through the two half-ring sleeves, and the purpose of controlling the ocean platform to lift is achieved. After the ocean platform is adjusted to a proper height, and when the lifting system is not used for a long time, the first connecting structure 12 and the second connecting structure 22 can be detached at the moment, the installation mechanism 3 and the ocean platform are detached simultaneously, so that the first half-ring sleeve 1 and the second half-ring sleeve 2 are taken down from the pile legs 51 respectively, and the lifting system is installed on other ocean platforms for use, thereby avoiding the lifting system from being installed on the ocean platform without lifting operation for a long time, and improving the use efficiency of the lifting system.
Fig. 3 is a schematic view of an assembly of a first half-ring sleeve and a second half-ring sleeve according to an embodiment of the disclosure. As shown in fig. 3, the first connection structure 12 includes: the first connecting side 11 is connected with the first locking plate 121, and the first locking plate 121 is parallel to the first connecting side 11.
As shown in fig. 3, the second connecting structure 22 includes a third locking plate 221 and a locking member 222, the third locking plate 221 is connected to the second connecting side 21 and is parallel to the second connecting side 21, the third locking plate 221 is located in a locking space surrounded by the first locking plate 121, the first connecting plate 122 and the second locking plate 123, and the locking member 222 is detachably connected to the first locking plate 121, the second locking plate 123 and the third locking plate 221.
The first locking plate 121, the first connecting plate 122 and the second locking plate 123 of the first connecting structure 12 together form a recessed structure having a locking space, so that the third locking plate 221 of the second connecting structure 22 can be inserted into the locking space. That is, the first connecting structure 12 and the second connecting structure 22 are connected together by a concave and convex fitting manner.
Since the first lock plate 121, the second lock plate 123 and the third lock plate 221 are parallel to the first connecting side 11, and the third lock plate 221 is sandwiched between the first lock plate 121 and the second lock plate 123, the two sides of the third lock plate 221 respectively abut against the first lock plate 121 and the second lock plate 123. Thus, when the ocean platform is influenced by the environment such as wind and waves and horizontal loads are applied to the first half ring sleeve 1 and the second half ring sleeve 2, the three locking plates can restrict each other to bear the loads in the first horizontal direction (in the X direction in the figure 3).
As shown in fig. 3, the second connecting structure 22 further includes a locking member 222, and the locking member 222 can connect the first locking plate 121, the second locking plate 123 and the third locking plate 221 together, so as to prevent the third locking plate 221 from being separated from the locking space. Meanwhile, the first lock plate 121, the second lock plate 123, and the third lock plate 221 are restricted by the lock member 222, so that the lock member 222 can bear a load in the second horizontal direction (see the Y direction in fig. 3).
Illustratively, as shown in fig. 3, the locking member 222 includes a locking pin, and each of the first locking plate 121, the second locking plate 123, and the third locking plate 221 has a locking hole 227 matching with the locking pin, and the locking pin is inserted through each locking hole 227 and onto the first locking plate 121, the second locking plate 123, and the third locking plate 221.
The locking pin sequentially passes through the locking hole 227 of the first locking plate 121, the locking hole 227 of the third locking plate 221 and the locking hole 227 of the second locking plate 123 and is simultaneously inserted into the first locking plate 121, the second locking plate 123 and the third locking plate 221, so that the third locking plate 221 is fixedly mounted on the first locking plate 121 and the second locking plate 123. That is, the first lock plate 121, the second lock plate 123, and the third lock plate 221 are restricted by the lock pin, so that the lock pin bears the load in the second horizontal direction, see the Y direction in fig. 3.
Fig. 4 is a schematic view of another first semi-ring sleeve and second semi-ring sleeve assembly provided in the practice of the present disclosure. As shown in fig. 4, the lock member includes: a first locking shaft 223, an elastic member 224 and a second locking shaft 225, a first end of the first locking shaft 223 is connected with a first end of the elastic member 224, and a second end of the elastic member 224 is connected with a first end of the second locking shaft 225.
As shown in fig. 4, the third locking plate 221 is provided with a mounting through hole 226 penetrating through the third locking plate 221, the elastic element 224 is located in the mounting through hole 226 and axially fixed with the mounting through hole 226, and when the elastic element 224 is not elastically deformed, the first end of the first locking shaft 223 and the first end of the second locking shaft 225 are both located in the mounting through hole 226.
The first locking plate 121 and the second locking plate 123 are both provided with locking holes 227 for the first locking shaft 223 and the second locking shaft 225 to be inserted.
In the above implementation, by disposing the locking member 222 in the mounting through hole 226 of the third locking plate 221, and when the elastic element 224 is not deformed, the first locking shaft 223 and the second locking shaft 225 protrude from the mounting through hole 226, when the third locking plate 221 is assembled between the first locking plate 121 and the second locking plate 123, the two locking shafts may be first pressed into the mounting through hole 226, and then, so that the third locking plate 221 can be placed between the first locking plate 121 and the second locking plate 123, and when the two locking shafts move to positions opposite to the two locking holes 227, the two locking shafts respectively protrude from the mounting through hole 226 to be inserted into the locking holes 227 under the elastic force of the elastic element 224. Since the first end of the first locking shaft 223 and the first end of the second locking shaft 225 are both located in the mounting through hole 226 when the elastic member 224 is not elastically deformed, a portion of the first locking shaft 223 is located in the third locking plate 221 and the other portion is located in the first locking plate 121, respectively, and a portion of the second locking shaft 225 is located in the third locking plate 221 and the other portion is located in the second locking plate 123, respectively. This secures the third lock plate 221 between the first lock plate 121 and the second lock plate 123 via the two lock shafts.
Compare in adopting three lock plate of lock round pin assembly, adopt two locking axle's modes are connected at elastic element 224's both ends, can effectively avoid the condition that the lock round pin drops in following locking hole 227 to improve the connection reliability of three lock plate.
Illustratively, as shown in fig. 4, the elastic element 224 is a spring, a first annular inner flange 228 and a second annular inner flange 229 are disposed in the mounting through hole 226, the spring is located between the first annular inner flange 228 and the second annular inner flange 229, two ends of the spring respectively abut against the first annular inner flange 228 and the second annular inner flange 229, a first end of the first locking shaft 223 penetrates through the first annular inner flange 228 to be connected with a first end of the spring, and a first end of the second locking shaft 225 penetrates through the second annular inner flange 229 to be connected with a second end of the spring.
Wherein, the spring is fixed in installation through-hole 226 through two annular inner flanges to realize the axial fixity of spring and third locking board 221, through two locking axles of spring coupling, in order to prevent that the locking axle from droing from installation through-hole 226, improve the connection reliability of three locking boards.
Alternatively, there are a plurality of the first connecting structures 12 and a plurality of the second connecting structures 22, the first connecting structures 12 are arranged at intervals along the axial direction of the first half-ring sleeve 1, and the second connecting structures 22 are arranged at intervals along the axial direction of the second half-ring sleeve 2. By providing a plurality of first connecting structures 12 and second connecting structures 22, the plurality of first connecting structures 12 and second connecting structures 22 can bear horizontal loads together, so that the first half collar sleeve 1 and the second half collar sleeve 2 can be connected together more reliably.
Illustratively, as shown in fig. 1, there are six first connecting structures 12 and six second connecting structures 22, and there are three first connecting structures 12 on the first semi-ring sleeve 1 respectively disposed on the two first connecting sides 11; six second connecting structures 22 on the second half-ring sleeve 2 are respectively arranged on the two second connecting sides 21 from three. The first connecting structure 12 and the second connecting structure 22 are axially spaced apart so that the two half-ring sleeves can bear loads at various positions and the forces are balanced.
Fig. 5 is a top view of a lifting system of an offshore platform according to an embodiment of the present disclosure. As shown in fig. 5, the lifting mechanism 4 includes: mounting bracket 41, drive unit, gear 43 and rack 44.
As shown in fig. 2 and 5, the mounting bracket 41 includes: first mounting panel 411, second connecting plate 412 and second mounting panel 413, first mounting panel 411 and the parallel interval arrangement of second mounting panel 413, the opposite both sides limit on the second connecting plate 412 is connected with first mounting panel 411 and second mounting panel 413 respectively, and first mounting panel 411, second connecting plate 412 and second mounting panel 413 enclose into installation space.
As shown in fig. 1 and 5, the driving unit is disposed on the first mounting plate 411 and the second mounting plate 413, the gear 43 is disposed in the mounting space, and the driving unit is in transmission connection with the gear 43.
Fig. 6 is an elevation view of a lift system of an offshore platform provided in an embodiment of the present disclosure. As shown in fig. 5 and 6, the first half collar sleeve 1 and the second half collar sleeve 2 are respectively provided with a connecting opening 10 extending from one end of the first half collar sleeve 1 to the other end, each connecting opening 10 is connected with a corresponding mounting bracket 41, two side edges of each connecting opening 10 are respectively connected with a first mounting plate 411 and a second mounting plate 413, the second connecting plate 412 is opposite to the connecting opening 10, the rack 44 is used for being mounted on the spud leg 51, and the rack 44 is opposite to the connecting opening 10 and meshed with the gear 43.
In the above-mentioned implementation, the connection openings 10 are formed on the outer wall surfaces of the two half collars, and the two side edges of the connection openings 10 are respectively connected with the first mounting plate 411 and the second mounting plate 413 of the mounting bracket 41, so that the mounting bracket 41 is formed in a zigzag shape on the half collars, and the mounting bracket 41 also extends from one end of the half collars to the other end, so as to avoid the strength of the half collars from being affected by the connection openings 10.
As shown in fig. 1, the mounting frame 41 may be used to mount a plurality of driving units, which are spaced apart along the axial direction of the half-ring sleeve. And the gears 43 corresponding to the plurality of driving units one by one are further arranged in the mounting space of each mounting frame 41, the driving units can drive the corresponding gears 43 to rotate, the gears 43 are opposite to the connecting openings 10, and the racks 44 are also opposite to the connecting openings 10 after being mounted on the spud legs 51, so that the gears 43 and the racks 44 are just meshed, and therefore the gears 43 can move along the racks 44 through the driving units, the deck 52 of the ocean platform is driven to move, and the lifting operation is completed.
As shown in fig. 5, the driving unit includes: gearbox 421 and motor 422, gearbox 421 are located mounting bracket 41, and the output shaft of gearbox 421 is located installation space and is connected with gear 43 transmission, and motor 422 is located gearbox 421, and the output shaft of motor 422 is connected with the output shaft transmission of gearbox 421. When the driving unit works, power is provided by the motor 422, and the power is transmitted to an output shaft through an input shaft of the gearbox 421 and is transmitted to the gear 43 through an output shaft of the gearbox 421, so that the gear 43 is driven to rotate.
As shown in fig. 5 and 6, the mounting mechanism 3 includes a support plate 31 and a support 32, the support plate 31 is disposed on the outer wall surface of each of the first half collar 1 and the second half collar 2, the support plate 31 extends outward along the radial direction of the first half collar 1, the support 32 is located on the deck 52 of the ocean platform, and the support 32 is detachably connected to the support plate 31.
Wherein, the support 32 may include two parallel opposite fixing plates, through holes are provided on the fixing plates, and when the support plate 31 is connected with the support 32, the support plate 31 is inserted between the two fixing plates and passes through the support plate 31 and the two fixing plates through bolts, so as to fix the support plate 31 in the support 32.
For example, as shown in fig. 5, 6 support plates 31 are disposed on the two half-ring sleeves, and 6 support plates 31 and 2 first connecting structures 12 are circumferentially and uniformly distributed on the two half-ring sleeves. That is, a support plate 31 or a first connecting structure 12 is provided on the two half ring sleeves at an interval of 45 °. Wherein two support plates 31 are provided on the second connecting plate 412 of the mounting bracket 41. The support plate 31 can thus take up horizontal loads applied from various orientations to improve the reliability of the lift system.
As shown in fig. 1, the lifting system further includes a cover plate 53, and the cover plate 53 covers one ends of the first half collar 1 and the second half collar 2 and is detachably coupled to the first half collar 1 and the second half collar 2. The provision of the cover plate 53 enables the drive unit to be temporarily protected in heavy rain. Wherein the cover plate 53 may be mounted to the first and second half sleeves 1 and 2 by bolts.
Although the present disclosure has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the disclosure.
Claims (10)
1. A lift system for an offshore platform, the lift system comprising:
the first semi-ring sleeve (1) is provided with two first connecting side surfaces (11), the first connecting side surfaces (11) are side surfaces where straight edges on the first semi-ring sleeve (1) are located, and first connecting structures (12) are arranged on the first connecting side surfaces (11);
the second half-ring sleeve (2) is provided with two second connecting side surfaces (21), the second connecting side surfaces (21) are the side surfaces where the straight edges on the second half-ring sleeve (2) are located, second connecting structures (22) are arranged on the second connecting side surfaces (21), and the first connecting structures (12) and the second connecting structures (22) are detachably connected;
the mounting mechanism (3) is positioned on the outer wall surfaces of the first semi-ring sleeve (1) and the second semi-ring sleeve (2), and the mounting mechanism (3) is used for being detachably connected with a deck (52) of an ocean platform;
the lifting mechanism (4) is located on the outer wall surfaces of the first semi-ring sleeve (1) and the second semi-ring sleeve (2), and the lifting mechanism (4) is used for driving the first semi-ring sleeve (1) and the second semi-ring sleeve (2) to move along the axial direction of the pile leg (51).
2. The lifting system according to claim 1, characterized in that the first connecting structure (12) comprises: a first locking plate (121), a first connecting plate (122) and a second locking plate (123), wherein the first locking plate (121) and the second locking plate (123) are arranged in parallel at intervals, two opposite side edges of the first connecting plate (122) are respectively connected with the first locking plate (121) and the second locking plate (123), the first locking plate (121) is connected with the first connecting side surface (11) and is parallel to the first connecting side surface (11),
the second connecting structure (22) comprises a third locking plate (221) and a locking piece (222), the third locking plate (221) is connected with the second connecting side face (21) and parallel to the second connecting side face (21), the third locking plate (221) is located in a locking space surrounded by the first locking plate (121), the first connecting plate (122) and the second locking plate (123), and the locking piece (222) is detachably connected with the first locking plate (121), the second locking plate (123) and the third locking plate (221).
3. The lifting system according to claim 2, characterized in that the locking member (222) comprises a locking pin, and the first locking plate (121), the second locking plate (123) and the third locking plate (221) are provided with locking holes (227) matching with the locking pin, and the locking pin is inserted through each locking hole (227) and onto the first locking plate (121), the second locking plate (123) and the third locking plate (221).
4. The lift system of claim 2, wherein the latch (222) comprises: a first locking shaft (223), an elastic member (224), and a second locking shaft (225), a first end of the first locking shaft (223) being connected with a first end of the elastic member (224), a second end of the elastic member (224) being connected with a first end of the second locking shaft (225),
the third locking plate (221) is provided with an installation through hole (226) penetrating through the third locking plate (221), the elastic element (224) is positioned in the installation through hole (226) and axially fixed with the installation through hole (226), when the elastic element (224) is not elastically deformed, the first end of the first locking shaft (223) and the first end of the second locking shaft (225) are both positioned in the installation through hole (226),
and the first locking plate (121) and the second locking plate (123) are respectively provided with a locking hole (227) for inserting the first locking shaft (223) and the second locking shaft (225).
5. The lifting system according to claim 4, characterized in that the elastic element (224) is a spring, a first annular inner flange (228) and a second annular inner flange (229) are arranged in the mounting through hole (226), the spring is located between the first annular inner flange (228) and the second annular inner flange (229), two ends of the spring respectively abut against the first annular inner flange (228) and the second annular inner flange (229), a first end of the first locking shaft (223) passes through the first annular inner flange (228) to be connected with the first end of the spring, and a first end of the second locking shaft (225) passes through the second annular inner flange (229) to be connected with the second end of the spring.
6. The lifting system according to any of claims 1 to 5, characterized in that there are a plurality of said first connecting structures (12) and said second connecting structures (22), said first connecting structures (12) being arranged at intervals in the axial direction of said first semi-ring sleeve (1), said second connecting structures (22) being arranged at intervals in the axial direction of said second semi-ring sleeve (2).
7. The lifting system according to any of claims 1 to 5, characterized in that the lifting mechanism (4) comprises: a mounting frame (41), a driving unit, a gear (43) and a rack (44),
the mounting frame (41) comprises: a first mounting plate (411), a second connecting plate (412) and a second mounting plate (413), wherein the first mounting plate (411) and the second mounting plate (413) are arranged in parallel at intervals, two opposite side edges of the second connecting plate (412) are respectively connected with the first mounting plate (411) and the second mounting plate (413), and a mounting space is enclosed by the first mounting plate (411), the second connecting plate (412) and the second mounting plate (413),
the driving unit is positioned on the first mounting plate (411) and the second mounting plate (413), the gear (43) is positioned in the mounting space, the driving unit is in transmission connection with the gear (43),
the first semi-ring sleeve (1) and the second semi-ring sleeve (2) are respectively provided with a connecting opening (10) extending from one end of the first semi-ring sleeve (1) to the other end, each connecting opening (10) is connected with the corresponding mounting frame (41), two side edges of each connecting opening (10) are respectively connected with the first mounting plate (411) and the second mounting plate (413), the second connecting plate (412) is opposite to the connecting opening (10), the rack (44) is used for being mounted on a pile leg (51), and the rack (44) is opposite to the connecting opening (10) and meshed with the gear (43).
8. The lift system of claim 7, wherein the drive unit comprises: gearbox (421) and motor (422), gearbox (421) are located on mounting bracket (41), the output shaft of gearbox (421) is located in the installation space and with gear (43) transmission is connected, motor (422) are located on gearbox (421), just the output shaft of motor (422) with the output shaft transmission of gearbox (421) is connected.
9. The lifting system according to claim 7, characterized in that the mounting mechanism (3) comprises a support plate (31) and a support (32), the support plate (31) is provided on the outer wall surface of the first half collar (1) and the second half collar (2), the support plate (31) extends radially outward of the first half collar (1), the support (32) is located on a deck (52) of the ocean platform, and the support (32) is detachably connected with the support plate (31).
10. The lifting system according to any of claims 1 to 5, characterized in that the lifting system further comprises a cover plate (53), the cover plate (53) covering one end of the first semi-ring sleeve (1) and the second semi-ring sleeve (2) and being detachably connected to the first semi-ring sleeve (1) and the second semi-ring sleeve (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110597637.3A CN113417268B (en) | 2021-05-31 | 2021-05-31 | Lifting system of ocean platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110597637.3A CN113417268B (en) | 2021-05-31 | 2021-05-31 | Lifting system of ocean platform |
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| CN113417268B CN113417268B (en) | 2022-07-26 |
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| FR2881413A1 (en) * | 2005-01-28 | 2006-08-04 | Hydralift Blm Sa | Structure e.g. offshore platform, lifting and lowering device, has planetary differential reducing system whose planet carrier drives one pinion on one side of rack, and toothed wheel driving another pinion on another side of rack |
| CN104314062A (en) * | 2014-10-16 | 2015-01-28 | 中国海洋石油总公司 | Cofferdam type hydraulic anti-impact and ice-resistant device for marine nuclear power platform |
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| CN110306513A (en) * | 2019-05-13 | 2019-10-08 | 烟台中集来福士海洋工程有限公司 | Main chord tube and its design method, spud leg |
| CN111373101A (en) * | 2017-12-07 | 2020-07-03 | Ihc荷兰Ie有限公司 | Coupling system, assembly of coupling system and vessel, and assembly of coupling system, jacket pile and foundation pile |
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2021
- 2021-05-31 CN CN202110597637.3A patent/CN113417268B/en active Active
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| FR2881413A1 (en) * | 2005-01-28 | 2006-08-04 | Hydralift Blm Sa | Structure e.g. offshore platform, lifting and lowering device, has planetary differential reducing system whose planet carrier drives one pinion on one side of rack, and toothed wheel driving another pinion on another side of rack |
| CN104314062A (en) * | 2014-10-16 | 2015-01-28 | 中国海洋石油总公司 | Cofferdam type hydraulic anti-impact and ice-resistant device for marine nuclear power platform |
| CN107825077A (en) * | 2017-11-16 | 2018-03-23 | 南通蓝岛海洋工程有限公司 | It is a kind of to rise self-propulsion type platform leg building technology certainly |
| CN111373101A (en) * | 2017-12-07 | 2020-07-03 | Ihc荷兰Ie有限公司 | Coupling system, assembly of coupling system and vessel, and assembly of coupling system, jacket pile and foundation pile |
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| CN113417268B (en) | 2022-07-26 |
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